Jacqueline Halpin
@jaxhalpin.bsky.social
Geologist 💎⛏🌏 | Antarctica 🇦🇶 | Lutruwita/Tasmania📍 | Lover of wild places & whisky🏔🥃 | she/her | A/Prof @ University of Tasmania
Reposted by Jacqueline Halpin
🌍 Last week, 140+ Antarctic scientists came together in #Hobart for our ACEAS Research Forum 2025 to share the latest research and insights about the climate risks emerging from #Antarctica and the #SouthernOcean.
Read more: antarctic.org.au/aceas-resear...
Read more: antarctic.org.au/aceas-resear...
ACEAS Research Forum 2025: a national gathering of Antarctic science excellence - ACEAS
More than 140 researchers from across Australia gathered in Hobart last week for the Australian Centre for Excellence in Antarctic Science (ACEAS) Research Forum, held from 5 to 7 November at the Univ...
antarctic.org.au
November 9, 2025 at 11:51 PM
🌍 Last week, 140+ Antarctic scientists came together in #Hobart for our ACEAS Research Forum 2025 to share the latest research and insights about the climate risks emerging from #Antarctica and the #SouthernOcean.
Read more: antarctic.org.au/aceas-resear...
Read more: antarctic.org.au/aceas-resear...
Reposted by Jacqueline Halpin
🦠🧪 Congratulations to our biogeochemistry team on winning an Australian Research Council (ARC) Discovery Project grant to iron out wrinkles in climate models.
▶️https://aappartnership.org.au/unlocking-how-iron-shapes-ocean-life-and-climate/
▶️https://aappartnership.org.au/unlocking-how-iron-shapes-ocean-life-and-climate/
October 30, 2025 at 5:46 AM
🦠🧪 Congratulations to our biogeochemistry team on winning an Australian Research Council (ARC) Discovery Project grant to iron out wrinkles in climate models.
▶️https://aappartnership.org.au/unlocking-how-iron-shapes-ocean-life-and-climate/
▶️https://aappartnership.org.au/unlocking-how-iron-shapes-ocean-life-and-climate/
How vulnerable is East Antarctica’s ice in a warming world? 🧊🌍
Thrilled to be awarded #ARC funding with my stellar collaborators!
We will explore geological archives that record how the ice sheet reacted to past warm periods — and what that could mean for our future.
@antarcticsciaus.bsky.social
Thrilled to be awarded #ARC funding with my stellar collaborators!
We will explore geological archives that record how the ice sheet reacted to past warm periods — and what that could mean for our future.
@antarcticsciaus.bsky.social
November 7, 2025 at 6:08 AM
How vulnerable is East Antarctica’s ice in a warming world? 🧊🌍
Thrilled to be awarded #ARC funding with my stellar collaborators!
We will explore geological archives that record how the ice sheet reacted to past warm periods — and what that could mean for our future.
@antarcticsciaus.bsky.social
Thrilled to be awarded #ARC funding with my stellar collaborators!
We will explore geological archives that record how the ice sheet reacted to past warm periods — and what that could mean for our future.
@antarcticsciaus.bsky.social
Reposted by Jacqueline Halpin
What's the future for Antarctic sea ice? Next Tuesday (11th November I'll be giving a free lunchtime talk at TMAG on @antarctic.bsky.social @imas-utas.bsky.social efforts to answer that very question. You can register here: url.au.m.mimecastprotect.com/s/UVHnCE8kD7...
#hobart #utas #antarctica
#hobart #utas #antarctica
November 5, 2025 at 2:00 AM
What's the future for Antarctic sea ice? Next Tuesday (11th November I'll be giving a free lunchtime talk at TMAG on @antarctic.bsky.social @imas-utas.bsky.social efforts to answer that very question. You can register here: url.au.m.mimecastprotect.com/s/UVHnCE8kD7...
#hobart #utas #antarctica
#hobart #utas #antarctica
Reposted by Jacqueline Halpin
🪨 Australia’s climate story is written in stone – and sea 🌊
This ABC Deep Time feature explores how Australia’s landscapes have shifted over millennia, shaped by rising seas and changing climates – told by First Nations voices alongside scientists, linking deep cultural memory with geological time.
This ABC Deep Time feature explores how Australia’s landscapes have shifted over millennia, shaped by rising seas and changing climates – told by First Nations voices alongside scientists, linking deep cultural memory with geological time.
The epic story of Australia and its first peoples — like you've never seen it
The story of Australia and its peoples is vast and deep. It's one you should know, but possibly one you've never been told. Well, not like this anyway.
www.abc.net.au
October 19, 2025 at 7:15 AM
🪨 Australia’s climate story is written in stone – and sea 🌊
This ABC Deep Time feature explores how Australia’s landscapes have shifted over millennia, shaped by rising seas and changing climates – told by First Nations voices alongside scientists, linking deep cultural memory with geological time.
This ABC Deep Time feature explores how Australia’s landscapes have shifted over millennia, shaped by rising seas and changing climates – told by First Nations voices alongside scientists, linking deep cultural memory with geological time.
Reposted by Jacqueline Halpin
Ever wondered what lies beneath the fastest melting glacier in #Antarctica? Read on….
🔥New paper just out🔥led by my brilliant @bas.ac.uk colleague Tom Jordan: www.nature.com/articles/s43...
Combining #geology & #geophysics, we discovered a huge granite beneath Pine Island Glacier! 🧵 below…. 1/n
🧪❄️🥼
🔥New paper just out🔥led by my brilliant @bas.ac.uk colleague Tom Jordan: www.nature.com/articles/s43...
Combining #geology & #geophysics, we discovered a huge granite beneath Pine Island Glacier! 🧵 below…. 1/n
🧪❄️🥼
Subglacial geology and palaeo flow of Pine Island Glacier from combining glacial erratics with geophysics - Communications Earth & Environment
A nearly 175 Ma granite body in West Antarctica reveals ice flowed across the southern Hudson Mountains at the Last Glacial Maximum, resulting in erratics derived from local subglacial bedrock, as rev...
www.nature.com
October 22, 2025 at 9:35 AM
Ever wondered what lies beneath the fastest melting glacier in #Antarctica? Read on….
🔥New paper just out🔥led by my brilliant @bas.ac.uk colleague Tom Jordan: www.nature.com/articles/s43...
Combining #geology & #geophysics, we discovered a huge granite beneath Pine Island Glacier! 🧵 below…. 1/n
🧪❄️🥼
🔥New paper just out🔥led by my brilliant @bas.ac.uk colleague Tom Jordan: www.nature.com/articles/s43...
Combining #geology & #geophysics, we discovered a huge granite beneath Pine Island Glacier! 🧵 below…. 1/n
🧪❄️🥼
Wrap your hands around a 3 billion year old piece of Antarctica! I’ll see you there 🤘
Join the Denman Glacier geology 🪨🌋⛏️ team for an evening at the pub this Tuesday!
We will be bringing our rocks from Antarctica, the venue has the drinks, all that is missing are your questions! #Beakerstreet 🧪❄️🌊
more information:
tickets.beakerstreet.com.au/Events/SCIEN...
We will be bringing our rocks from Antarctica, the venue has the drinks, all that is missing are your questions! #Beakerstreet 🧪❄️🌊
more information:
tickets.beakerstreet.com.au/Events/SCIEN...
August 11, 2025 at 10:39 AM
Wrap your hands around a 3 billion year old piece of Antarctica! I’ll see you there 🤘
Reposted by Jacqueline Halpin
Congratulations to AAPP ice-sheet modeller Dr Chen Zhao for her recognition in the 2025 Tasmanian Tall Poppy Science Awards.
▶️ www.utas.edu.au/about/news-a...
@utas.edu.au @imas-utas.bsky.social
▶️ www.utas.edu.au/about/news-a...
@utas.edu.au @imas-utas.bsky.social
August 7, 2025 at 12:23 AM
Congratulations to AAPP ice-sheet modeller Dr Chen Zhao for her recognition in the 2025 Tasmanian Tall Poppy Science Awards.
▶️ www.utas.edu.au/about/news-a...
@utas.edu.au @imas-utas.bsky.social
▶️ www.utas.edu.au/about/news-a...
@utas.edu.au @imas-utas.bsky.social
Reposted by Jacqueline Halpin
❄️ A landmark new study has revealed that glaciers on Australia’s remote sub-Antarctic Heard Island are shrinking at an accelerating rate due to rising temperatures and climate change.
tc.copernicus.org/articles/19/...
@andrewmackintosh.bsky.social
@heardislandgov.bsky.social
@arcsaef.bsky.social
tc.copernicus.org/articles/19/...
@andrewmackintosh.bsky.social
@heardislandgov.bsky.social
@arcsaef.bsky.social
August 5, 2025 at 1:20 AM
❄️ A landmark new study has revealed that glaciers on Australia’s remote sub-Antarctic Heard Island are shrinking at an accelerating rate due to rising temperatures and climate change.
tc.copernicus.org/articles/19/...
@andrewmackintosh.bsky.social
@heardislandgov.bsky.social
@arcsaef.bsky.social
tc.copernicus.org/articles/19/...
@andrewmackintosh.bsky.social
@heardislandgov.bsky.social
@arcsaef.bsky.social
Here for the ice cold diplomacy 🐧
JUST IN: Heard Island Government responds before the midnight Tariff deadline with what can only be described as ice cold diplomacy. @cnn.com @msnbc.com @foxnews.com.web.brid.gy @nbcnews.com @theguardian.com @australia.theguardian.com @bbcbreaking-bot.bsky.social @us.theguardian.com @theonion.com
August 1, 2025 at 11:20 AM
Here for the ice cold diplomacy 🐧
Reposted by Jacqueline Halpin
Great work by our colleagues Stewart Jamieson and Guy Paxman: "We have been using satellite data to map an ancient river landscape beneath the East Antarctic Ice Sheet:. The landscape has been frozen in time for up to 34 million years." ⚒️🧪
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Extensive fluvial surfaces at the East Antarctic margin have modulated ice-sheet evolution - Nature Geoscience
Extensive flat surfaces observed beneath the East Antarctic Ice Sheet margin were formed by fluvial erosion and have modulated the ice-sheet response to climate change, according to an analysis of rad...
www.nature.com
July 11, 2025 at 10:57 AM
Great work by our colleagues Stewart Jamieson and Guy Paxman: "We have been using satellite data to map an ancient river landscape beneath the East Antarctic Ice Sheet:. The landscape has been frozen in time for up to 34 million years." ⚒️🧪
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Jacqueline Halpin
"I am optimistic about fostering stronger India–Australia collaborations in Antarctic science and look forward to more opportunities like this in the future."
- 2025 @scar-antarctic.bsky.social INSTANT Fellow Dr Devsamridhi Arora on her recent @utas.edu.au visit ⬇️
antarctic.org.au/introducing-...
- 2025 @scar-antarctic.bsky.social INSTANT Fellow Dr Devsamridhi Arora on her recent @utas.edu.au visit ⬇️
antarctic.org.au/introducing-...
Introducing Dr Devsamridhi Arora - ACEAS
Introducing Dr Devsamridhi Arora ACEAS researchers recently welcomed a special guest from India’s Antarctic science community. Dr Devsamridhi Arora was here at IMAS/UTAS, Hobart from the University of...
antarctic.org.au
July 8, 2025 at 12:01 AM
"I am optimistic about fostering stronger India–Australia collaborations in Antarctic science and look forward to more opportunities like this in the future."
- 2025 @scar-antarctic.bsky.social INSTANT Fellow Dr Devsamridhi Arora on her recent @utas.edu.au visit ⬇️
antarctic.org.au/introducing-...
- 2025 @scar-antarctic.bsky.social INSTANT Fellow Dr Devsamridhi Arora on her recent @utas.edu.au visit ⬇️
antarctic.org.au/introducing-...
Discovery of microcontinents in the Kerguelen Plateau region of the Southern Ocean! 🌊 🌏
New OA research led by @imas-utas.bsky.social @antarcticsciaus.bsky.social PhD student Jeremy Asimus out now:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
New OA research led by @imas-utas.bsky.social @antarcticsciaus.bsky.social PhD student Jeremy Asimus out now:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Discovery of the William's Ridge and Rig Seismic Seamount Microcontinents, Kerguelen Plateau: Signatures of a Fragmented Rifted Margin
First detailed characterization of basement geology at William's Ridge and Rig Seismic Seamount
Microcontinents underly plume-derived volcanic rocks and sediments at William's Ridge and Rig Seism...
agupubs.onlinelibrary.wiley.com
June 23, 2025 at 10:40 AM
Discovery of microcontinents in the Kerguelen Plateau region of the Southern Ocean! 🌊 🌏
New OA research led by @imas-utas.bsky.social @antarcticsciaus.bsky.social PhD student Jeremy Asimus out now:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
New OA research led by @imas-utas.bsky.social @antarcticsciaus.bsky.social PhD student Jeremy Asimus out now:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Excited to be amongst geo friends at Uni Adelaide to give a talk on Antarctic mountains & learn from some of the best 🤩
June 23, 2025 at 10:19 AM
Excited to be amongst geo friends at Uni Adelaide to give a talk on Antarctic mountains & learn from some of the best 🤩
Reposted by Jacqueline Halpin
the only good king is the king parrot 👑
June 15, 2025 at 12:02 PM
the only good king is the king parrot 👑
Reposted by Jacqueline Halpin
Very proud of my #IODP shipmates for spearheading this amazing paper on our new data from #Exp395.
We are looking at the onset of deepwater formation in the North Atlantic and its relation to Greenland‘s ice sheet.
⚒️🧪⛰️🪨🚢🧊
www.nature.com/articles/s41...
We are looking at the onset of deepwater formation in the North Atlantic and its relation to Greenland‘s ice sheet.
⚒️🧪⛰️🪨🚢🧊
www.nature.com/articles/s41...
Onset of strong Iceland-Scotland overflow water 3.6 million years ago - Nature Communications
This study examines the history of North Atlantic deep-water masses, as recorded in marine sediments. Major lithological changes and increased rate of deposition reveal that stronger deep-ocean circul...
www.nature.com
May 24, 2025 at 8:33 AM
Very proud of my #IODP shipmates for spearheading this amazing paper on our new data from #Exp395.
We are looking at the onset of deepwater formation in the North Atlantic and its relation to Greenland‘s ice sheet.
⚒️🧪⛰️🪨🚢🧊
www.nature.com/articles/s41...
We are looking at the onset of deepwater formation in the North Atlantic and its relation to Greenland‘s ice sheet.
⚒️🧪⛰️🪨🚢🧊
www.nature.com/articles/s41...
Reposted by Jacqueline Halpin
New study of an ancient collision zone reveals origins of enormous mountain range, hidden beneath the East Antarctic ice sheet and central to Earth's tectonic history ♨️
- from @jaxhalpin.bsky.social and Nathan Daczko
@imas-utas.bsky.social | Macquarie Uni
theconversation.com/antarctica-h...
- from @jaxhalpin.bsky.social and Nathan Daczko
@imas-utas.bsky.social | Macquarie Uni
theconversation.com/antarctica-h...
Antarctica has a huge, completely hidden mountain range. New data reveals its birth over 500 million years ago
The mysterious ‘ghost mountains’ – buried beneath kilometres of Antarctic ice – have puzzled scientists for decades.
theconversation.com
May 12, 2025 at 6:31 AM
New study of an ancient collision zone reveals origins of enormous mountain range, hidden beneath the East Antarctic ice sheet and central to Earth's tectonic history ♨️
- from @jaxhalpin.bsky.social and Nathan Daczko
@imas-utas.bsky.social | Macquarie Uni
theconversation.com/antarctica-h...
- from @jaxhalpin.bsky.social and Nathan Daczko
@imas-utas.bsky.social | Macquarie Uni
theconversation.com/antarctica-h...
Reposted by Jacqueline Halpin
🏔️ "The Gamburtsev Mountains are similar in scale and shape to the European Alps. But we can’t see them because the high alpine peaks and deep glacial valleys are entombed beneath kilometres of ice." — @jaxhalpin.bsky.social @utas.edu.au & Nathan Daczko
▶️ theconversation.com/antarctica-h...
▶️ theconversation.com/antarctica-h...
Antarctica has a huge, completely hidden mountain range. New data reveals its birth over 500 million years ago
The mysterious ‘ghost mountains’ – buried beneath kilometres of Antarctic ice – have puzzled scientists for decades.
theconversation.com
May 12, 2025 at 4:54 AM
🏔️ "The Gamburtsev Mountains are similar in scale and shape to the European Alps. But we can’t see them because the high alpine peaks and deep glacial valleys are entombed beneath kilometres of ice." — @jaxhalpin.bsky.social @utas.edu.au & Nathan Daczko
▶️ theconversation.com/antarctica-h...
▶️ theconversation.com/antarctica-h...
Reposted by Jacqueline Halpin
🌊 𝙒𝙖𝙧𝙢𝙞𝙣𝙜 𝙤𝙘𝙚𝙖𝙣 𝙫𝙨 𝘼𝙣𝙩𝙖𝙧𝙘𝙩𝙞𝙘 𝙞𝙘𝙚
Spectacular vision of the Denman Glacier and Shackleton Ice Shelf, from the current #science voyage of icebreaker RSV Nuyina to East #Antarctica.
#DMV video ▶️ youtu.be/H92Tj3gZCqg
@antarcticsciaus.bsky.social | @utas.edu.au | @arcsaef.bsky.social
Spectacular vision of the Denman Glacier and Shackleton Ice Shelf, from the current #science voyage of icebreaker RSV Nuyina to East #Antarctica.
#DMV video ▶️ youtu.be/H92Tj3gZCqg
@antarcticsciaus.bsky.social | @utas.edu.au | @arcsaef.bsky.social
Warming ocean vs Antarctic ice
YouTube video by Australian Antarctic Program Partnership
youtu.be
April 11, 2025 at 5:28 AM
🌊 𝙒𝙖𝙧𝙢𝙞𝙣𝙜 𝙤𝙘𝙚𝙖𝙣 𝙫𝙨 𝘼𝙣𝙩𝙖𝙧𝙘𝙩𝙞𝙘 𝙞𝙘𝙚
Spectacular vision of the Denman Glacier and Shackleton Ice Shelf, from the current #science voyage of icebreaker RSV Nuyina to East #Antarctica.
#DMV video ▶️ youtu.be/H92Tj3gZCqg
@antarcticsciaus.bsky.social | @utas.edu.au | @arcsaef.bsky.social
Spectacular vision of the Denman Glacier and Shackleton Ice Shelf, from the current #science voyage of icebreaker RSV Nuyina to East #Antarctica.
#DMV video ▶️ youtu.be/H92Tj3gZCqg
@antarcticsciaus.bsky.social | @utas.edu.au | @arcsaef.bsky.social
Reposted by Jacqueline Halpin
The first rock dredges of the #DMV have delivered - and many rocks found seem to have come from beneath the vast Denman Glacier.
There are signs the region might be a particularly warm area geothermally, and this can impact on the base, writes Jo Whittaker ⬇️ #blog
antarctic.org.au/revealed-in-...
There are signs the region might be a particularly warm area geothermally, and this can impact on the base, writes Jo Whittaker ⬇️ #blog
antarctic.org.au/revealed-in-...
Revealed in a rock dredge - ACEAS
Revealed in a rock dredge By Jo Whittaker Anticipation was high as the first dredge of the Denman Marine Voyage was deployed to a water depth of 2700 metres on the steep eastern slope of the Eastern B...
antarctic.org.au
April 1, 2025 at 4:34 AM
The first rock dredges of the #DMV have delivered - and many rocks found seem to have come from beneath the vast Denman Glacier.
There are signs the region might be a particularly warm area geothermally, and this can impact on the base, writes Jo Whittaker ⬇️ #blog
antarctic.org.au/revealed-in-...
There are signs the region might be a particularly warm area geothermally, and this can impact on the base, writes Jo Whittaker ⬇️ #blog
antarctic.org.au/revealed-in-...
Reposted by Jacqueline Halpin
On the edge of #Antarctica, 60 scientists aboard RSV Nuyina are researching the impact of climate change on the fastest-melting glacier in the eastern part of the icy continent — ABC News with @utas.edu.au, @arcsaef.bsky.social, AAD and @antarcticsciaus.bsky.social
▶️ www.abc.net.au/news/2025-04...
▶️ www.abc.net.au/news/2025-04...
Scientists collect unique sea creatures during voyage to East Antarctica
From giant sea spiders to "sea pigs" and "sea butterflies" — analysing the rich biodiversity in Antarctica has thrilled researchers studying the impacts of climate change.
www.abc.net.au
April 3, 2025 at 2:12 AM
On the edge of #Antarctica, 60 scientists aboard RSV Nuyina are researching the impact of climate change on the fastest-melting glacier in the eastern part of the icy continent — ABC News with @utas.edu.au, @arcsaef.bsky.social, AAD and @antarcticsciaus.bsky.social
▶️ www.abc.net.au/news/2025-04...
▶️ www.abc.net.au/news/2025-04...
Reposted by Jacqueline Halpin
Look how happy Taryn is with her seafloor sediment!! ⚒️🌊🧪
It holds keys to understanding past climate and ice sheet behaviour in the Denman Glacier region of Antarctica
It holds keys to understanding past climate and ice sheet behaviour in the Denman Glacier region of Antarctica
The first Kasten core deployment has extracted a tube of mud from the #Antarctic seafloor. Once in the lab, the sampling begins for traces of ancient eDNA (AAD team) and porewater, and measuring for thermal conductivity.
(Karin Orth, Taryn Noble, Amy Wells) | @utas.edu.au
📷: Katharina Hochmuth
(Karin Orth, Taryn Noble, Amy Wells) | @utas.edu.au
📷: Katharina Hochmuth
March 15, 2025 at 3:22 AM
Look how happy Taryn is with her seafloor sediment!! ⚒️🌊🧪
It holds keys to understanding past climate and ice sheet behaviour in the Denman Glacier region of Antarctica
It holds keys to understanding past climate and ice sheet behaviour in the Denman Glacier region of Antarctica
Reposted by Jacqueline Halpin
🧪🌊🧵 Despite having his job at NOAA terminated @zacklabe.com has still brought his visualisations that show the alarming recent trend in Antarctic sea-ice extent up to date.
zacklabe.com/antarctic-se...
1/2
zacklabe.com/antarctic-se...
1/2
Antarctic: Sea-Ice Concentration/Extent/Thickness
My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…
zacklabe.com
March 3, 2025 at 1:49 PM
🧪🌊🧵 Despite having his job at NOAA terminated @zacklabe.com has still brought his visualisations that show the alarming recent trend in Antarctic sea-ice extent up to date.
zacklabe.com/antarctic-se...
1/2
zacklabe.com/antarctic-se...
1/2
Reposted by Jacqueline Halpin
Follow the #DMV journey south with the RSV Nuyina voyage tracker map and icebreaker webcams ⬇️
www.antarctica.gov.au/antarctic-op...
@antarctic.bsky.social | @arcsaef.bsky.social | AAD
www.antarctica.gov.au/antarctic-op...
@antarctic.bsky.social | @arcsaef.bsky.social | AAD
March 2, 2025 at 10:18 PM
Follow the #DMV journey south with the RSV Nuyina voyage tracker map and icebreaker webcams ⬇️
www.antarctica.gov.au/antarctic-op...
@antarctic.bsky.social | @arcsaef.bsky.social | AAD
www.antarctica.gov.au/antarctic-op...
@antarctic.bsky.social | @arcsaef.bsky.social | AAD
Sums up world politics. Thank god for the kiwis
youtu.be/xk1kwfK848Y
youtu.be/xk1kwfK848Y
Too Many Dicks On The Dance Floor - Flight Of The Conchords (Lyrics)
YouTube video by Flight of the Conchords
youtu.be
March 2, 2025 at 7:20 AM
Sums up world politics. Thank god for the kiwis
youtu.be/xk1kwfK848Y
youtu.be/xk1kwfK848Y